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Method of measuring and display the actual quantity of electricity of rechargeable battery

  • US 20050127876A1
  • Filed: 12/15/2003
  • Published: 06/16/2005
  • Est. Priority Date: 12/15/2003
  • Status: Active Grant
First Claim
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1. A method of measuring and display an actual quantity of electricity of a rechargeable battery being charged by an external power source via a charger, the method comprising the steps of:

  • (a) Power out step. Issuing a predetermined power out signal from said charger to temporarily disable the external power source;

    (b) Quantity of electricity of said rechargeable battery feedback step. Sending a signal indicating the actual quantity of electricity of said rechargeable battery as feedback to said charger in response to said disabled external power source; and

    (c) Display step. Configuring said charger to have a predetermined reference voltage so as to compare said reference voltage with a voltage of said feedback actual quantity of electricity of said rechargeable battery to obtain a voltage ratio with respect to the actual quantity of electricity of the rechargeable battery, and issue a display signal to a display for displaying a measurement based on said voltage ratio.

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